package org.edu.modules.system.controller;

import com.alibaba.fastjson.JSON;
import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.baomidou.mybatisplus.core.metadata.IPage;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import lombok.Data;
import lombok.RequiredArgsConstructor;
import lombok.extern.slf4j.Slf4j;
import org.edu.common.api.vo.Result;
import org.edu.common.aspect.annotation.AutoLog;
import org.edu.common.constant.CommonConstant;
import org.edu.common.system.query.QueryGenerator;
import org.edu.common.util.ImportExcelUtil;
import org.edu.common.util.oConvertUtils;
import org.edu.modules.system.entity.ProcessStep;
import org.edu.modules.system.entity.ProcessStep;
import org.edu.modules.system.entity.ProcessStep;
import org.edu.modules.system.entity.ProcessType;
import org.edu.modules.system.service.IProcessStepService;
import org.edu.modules.system.service.impl.ProcessStepServiceImpl;
import org.edu.modules.system.service.impl.ProcessStepServiceImpl;
import org.jeecgframework.poi.excel.ExcelImportUtil;
import org.jeecgframework.poi.excel.def.NormalExcelConstants;
import org.jeecgframework.poi.excel.entity.ExportParams;
import org.jeecgframework.poi.excel.entity.ImportParams;
import org.jeecgframework.poi.excel.view.JeecgEntityExcelView;
import org.springframework.http.ResponseEntity;
import org.springframework.util.CollectionUtils;
import org.springframework.web.bind.annotation.*;
import org.springframework.web.multipart.MultipartFile;
import org.springframework.web.multipart.MultipartHttpServletRequest;
import org.springframework.web.servlet.ModelAndView;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.io.UnsupportedEncodingException;
import java.net.URLDecoder;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import java.util.Map;

/**
 * @Author lbh
 * @Date 2025/2/13 上午9:15
 * @Version 1.0
 */
@RestController
@RequestMapping("/sys/processStep")
@RequiredArgsConstructor
@Api(tags = "流程步骤")
@Slf4j
public class ProcessStepController {

    private final ProcessStepServiceImpl processStepService;


    /**
     * 分页列表查询
     *
     * @param processStep
     * @param pageNo
     * @param pageSize
     * @param req
     * @return
     */
    @AutoLog(value = "流程步骤表-分页列表查询")
    @ApiOperation(value = "流程步骤表-分页列表查询", notes = "流程步骤表-分页列表查询")
    @GetMapping(value = "/list")
    public Result<IPage<ProcessStep>> queryPageList(ProcessStep processStep,
                                                    @RequestParam(name = "pageNo", defaultValue = "1") Integer pageNo,
                                                    @RequestParam(name = "pageSize", defaultValue = "10") Integer pageSize,
                                                    HttpServletRequest req) {
        Result<IPage<ProcessStep>> result = new Result<IPage<ProcessStep>>();
        QueryWrapper<ProcessStep> queryWrapper = QueryGenerator.initQueryWrapper(processStep, req.getParameterMap());
        queryWrapper.lambda().orderByAsc(ProcessStep::getStepOrder);
        Page<ProcessStep> page = new Page<ProcessStep>(pageNo, pageSize);
        IPage<ProcessStep> pageList = processStepService.page(page, queryWrapper);
        result.setSuccess(true);
        result.setResult(pageList);
        return result;
    }

    /**
     * 添加或修改
     *
     * @param request
     * @return
     */
    @AutoLog(value = "流程步骤表-批量添加或修改")
    @ApiOperation(value = "流程步骤表-添加或修改", notes = "流程步骤表-添加或修改")
    @PostMapping(value = "/save")
    public Result<ProcessStep> save(@RequestBody ProcessConfigRequest request) {
        Result<ProcessStep> result = new Result<ProcessStep>();
        try {
            List<ProcessStep> processSteps = request.getSteps();
            ProcessType processType = request.getProcessType();
            processStepService.saveProcessStep(processType,processSteps);
            result.success("保存成功！");
        } catch (Exception e) {
            log.error(e.getMessage(), e);
            result.error500("操作失败");
        }
        return result;
    }

    /**
     * 编辑
     *
     * @param processStep
     * @return
     */
    @AutoLog(value = "流程步骤表-编辑")
    @ApiOperation(value = "流程步骤表-编辑", notes = "流程步骤表-编辑")
    @PutMapping(value = "/edit")
    public Result<ProcessStep> edit(@RequestBody ProcessStep processStep) {
        Result<ProcessStep> result = new Result<ProcessStep>();
        ProcessStep ProcessStepEntity = processStepService.getById(processStep.getId());
        if (ProcessStepEntity == null) {
            result.error500("未找到对应实体");
        } else {
            boolean ok = processStepService.updateById(processStep);
            //TODO 返回false说明什么？
            if (ok) {
                result.success("修改成功!");
            }
        }

        return result;
    }

    /**
     * 通过id删除
     *
     * @param id
     * @return
     */
    @AutoLog(value = "流程步骤表-通过id删除")
    @ApiOperation(value = "流程步骤表-通过id删除", notes = "流程步骤表-通过id删除")
    @DeleteMapping(value = "/delete")
    public Result<?> delete(@RequestParam(name = "id", required = true) String id) {
        try {
            processStepService.removeById(id);
        } catch (Exception e) {
            log.error("删除失败", e.getMessage());
            return Result.error("删除失败!");
        }
        return Result.ok("删除成功!");
    }

    /**
     * 批量删除
     *
     * @param ids
     * @return
     */
    @AutoLog(value = "流程步骤表-批量删除")
    @ApiOperation(value = "流程步骤表-批量删除", notes = "流程步骤表-批量删除")
    @DeleteMapping(value = "/deleteBatch")
    public Result<ProcessStep> deleteBatch(@RequestParam(name = "ids", required = true) String ids) {
        Result<ProcessStep> result = new Result<ProcessStep>();
        if (ids == null || "".equals(ids.trim())) {
            result.error500("参数不识别！");
        } else {
            this.processStepService.removeByIds(Arrays.asList(ids.split(",")));
            result.success("删除成功!");
        }
        return result;
    }

    /**
     * 通过id查询
     *
     * @param id
     * @return
     */
    @AutoLog(value = "流程步骤表-通过id查询")
    @ApiOperation(value = "流程步骤表-通过id查询", notes = "流程步骤表-通过id查询")
    @GetMapping(value = "/queryById")
    public Result<ProcessStep> queryById(@RequestParam(name = "id", required = true) String id) {
        Result<ProcessStep> result = new Result<ProcessStep>();
        ProcessStep ProcessStep = processStepService.getById(id);
        if (ProcessStep == null) {
            result.error500("未找到对应实体");
        } else {
            result.setResult(ProcessStep);
            result.setSuccess(true);
        }
        return result;
    }

    /**
     * 导出excel
     *
     * @param request
     * @param response
     */
    @RequestMapping(value = "/exportXls")
    public ModelAndView exportXls(HttpServletRequest request, HttpServletResponse response) {
        // Step.1 组装查询条件
        QueryWrapper<ProcessStep> queryWrapper = null;
        try {
            String paramsStr = request.getParameter("paramsStr");
            if (oConvertUtils.isNotEmpty(paramsStr)) {
                String deString = URLDecoder.decode(paramsStr, "UTF-8");
                ProcessStep ProcessStep = JSON.parseObject(deString, ProcessStep.class);
                queryWrapper = QueryGenerator.initQueryWrapper(ProcessStep, request.getParameterMap());
            }
        } catch (UnsupportedEncodingException e) {
            e.printStackTrace();
        }

        //Step.2 AutoPoi 导出Excel
        ModelAndView mv = new ModelAndView(new JeecgEntityExcelView());
        List<ProcessStep> pageList = processStepService.list(queryWrapper);
        //导出文件名称
        mv.addObject(NormalExcelConstants.FILE_NAME, "流程步骤表列表");
        mv.addObject(NormalExcelConstants.CLASS, ProcessStep.class);
        mv.addObject(NormalExcelConstants.PARAMS, new ExportParams("流程步骤表列表数据", "导出人:Jeecg", "导出信息"));
        mv.addObject(NormalExcelConstants.DATA_LIST, pageList);
        return mv;
    }

    /**
     * 通过excel导入数据
     *
     * @param request
     * @param response
     * @return
     */
    @RequestMapping(value = "/importExcel", method = RequestMethod.POST)
    public Result<?> importExcel(HttpServletRequest request, HttpServletResponse response)throws IOException {
        MultipartHttpServletRequest multipartRequest = (MultipartHttpServletRequest) request;
        Map<String, MultipartFile> fileMap = multipartRequest.getFileMap();
        // 错误信息
        List<String> errorMessage = new ArrayList<>();
        int successLines = 0, errorLines = 0;
        for (Map.Entry<String, MultipartFile> entity : fileMap.entrySet()) {
            MultipartFile file = entity.getValue();// 获取上传文件对象
            ImportParams params = new ImportParams();
            params.setTitleRows(2);
            params.setHeadRows(1);
            params.setNeedSave(true);
            try {
                List<Object>  listProcessSteps = ExcelImportUtil.importExcel(file.getInputStream(), ProcessStep.class, params);
                List<String> list = ImportExcelUtil.importDateSave(listProcessSteps, IProcessStepService.class, errorMessage, CommonConstant.SQL_INDEX_UNIQ_CODE);
                errorLines+=list.size();
                successLines+=(listProcessSteps.size()-errorLines);
            } catch (Exception e) {
                log.error(e.getMessage(), e);
                return Result.error("文件导入失败:" + e.getMessage());
            } finally {
                try {
                    file.getInputStream().close();
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }
        }
        return ImportExcelUtil.imporReturnRes(errorLines,successLines,errorMessage);
    }



//    @PostMapping
//    public ResponseEntity<?> createProcessConfig(
//            @RequestBody ProcessConfigRequest request) {
//
//        // 参数校验
//        if (request.getProcessStep() == null
//                || CollectionUtils.isEmpty(request.getSteps())) {
//            return ResponseEntity.badRequest().body("参数不完整");
//        }
//
//        try {
//            processConfigService.saveProcessConfig(
//                    request.getProcessStep(),
//                    request.getSteps()
//            );
//            return ResponseEntity.ok("配置保存成功");
//        } catch (Exception e) {
//            return ResponseEntity.badRequest()
//                    .body(e.getMessage());
//        }
//    }

    @Data
    static class ProcessConfigRequest {
        private ProcessType processType;
        private List<ProcessStep> steps;
    }
}
